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 <a href="#pub-methods">Public Member Functions</a> &#124;
 <a href="classcrashpad_1_1FileReaderInterface-members.html">List of all members</a>  </div>
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 <div class="title">crashpad::FileReaderInterface Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div>  </div>
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 <p>An interface to read to files and other file-like objects with semantics matching the underlying platform (POSIX or Windows).
  <a href="classcrashpad_1_1FileReaderInterface.html#details">More...</a></p>

 <p><code>#include &quot;util/file/file_reader.h&quot;</code></p>
 <div class="dynheader">
 Inheritance diagram for crashpad::FileReaderInterface:</div>
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 <area href="classcrashpad_1_1FileReader.html" title="A file reader implementation that wraps traditional system file operations on files accessed through ..." alt="crashpad::FileReader" shape="rect" coords="0,112,225,136"/>
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 <area href="classcrashpad_1_1WeakFileHandleFileReader.html" title="A file reader backed by a FileHandle." alt="crashpad::WeakFileHandleFileReader" shape="rect" coords="470,112,695,136"/>
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 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:ad9035ff345274f33cef248712d53d9e1"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespacecrashpad.html#a25465a3a2d289a06addf93c346c6f917">FileOperationResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1">Read</a> (void *data, size_t size)=0</td></tr>
 <tr class="memdesc:ad9035ff345274f33cef248712d53d9e1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a8599600814a17d622766decd5f122a96" title="Reads from a file, retrying when interrupted before reading any data on POSIX.">ReadFile()</a>, or provides an implementation with identical semantics.  <a href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1">More...</a><br /></td></tr>
 <tr class="separator:ad9035ff345274f33cef248712d53d9e1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad046f1ebf1071eb6b92a2a8d06c14a56">ReadExactly</a> (void *data, size_t size)</td></tr>
 <tr class="memdesc:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1" title="Wraps ReadFile(), or provides an implementation with identical semantics.">Read()</a>, ensuring that the read succeeded and exactly <em>size</em> bytes were read.  <a href="classcrashpad_1_1FileReaderInterface.html#ad046f1ebf1071eb6b92a2a8d06c14a56">More...</a><br /></td></tr>
 <tr class="separator:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="inherit_header pub_methods_classcrashpad_1_1FileSeekerInterface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classcrashpad_1_1FileSeekerInterface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classcrashpad_1_1FileSeekerInterface.html">crashpad::FileSeekerInterface</a></td></tr>
 <tr class="memitem:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">Seek</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset, int whence)=0</td></tr>
 <tr class="memdesc:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a3d6cedc10e24145d4a0c1000c33f8a10" title="Wraps lseek() or SetFilePointerEx(). Logs an error if the operation fails.">LoggingSeekFile()</a> or provides an alternate implementation with identical semantics.  <a href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">More...</a><br /></td></tr>
 <tr class="separator:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">SeekGet</a> ()</td></tr>
 <tr class="memdesc:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics.">Seek()</a>, using <code>SEEK_CUR</code> to obtain the file’s current position.  <a href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">More...</a><br /></td></tr>
 <tr class="separator:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">SeekSet</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset)</td></tr>
 <tr class="memdesc:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics.">Seek()</a>, using <code>SEEK_SET</code>, ensuring that the seek succeeded and the file is positioned as desired.  <a href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">More...</a><br /></td></tr>
 <tr class="separator:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>An interface to read to files and other file-like objects with semantics matching the underlying platform (POSIX or Windows). </p>
 </div><h2 class="groupheader">Member Function Documentation</h2>
 <a id="ad9035ff345274f33cef248712d53d9e1"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ad9035ff345274f33cef248712d53d9e1">&#9670;&nbsp;</a></span>Read()</h2>

 <div class="memitem">
 <div class="memproto">
 <table class="mlabels">
   <tr>
   <td class="mlabels-left">
       <table class="memname">
         <tr>
           <td class="memname">virtual <a class="el" href="namespacecrashpad.html#a25465a3a2d289a06addf93c346c6f917">FileOperationResult</a> crashpad::FileReaderInterface::Read </td>
           <td>(</td>
           <td class="paramtype">void *&#160;</td>
           <td class="paramname"><em>data</em>, </td>
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         <tr>
           <td class="paramkey"></td>
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           <td class="paramtype">size_t&#160;</td>
           <td class="paramname"><em>size</em>&#160;</td>
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           <td>)</td>
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   <td class="mlabels-right">
 <span class="mlabels"><span class="mlabel">pure virtual</span></span>  </td>
   </tr>
 </table>
 </div><div class="memdoc">

 <p>Wraps <a class="el" href="namespacecrashpad.html#a8599600814a17d622766decd5f122a96" title="Reads from a file, retrying when interrupted before reading any data on POSIX.">ReadFile()</a>, or provides an implementation with identical semantics. </p>
 <dl class="section return"><dt>Returns</dt><dd>The number of bytes actually read if the operation succeeded, which may be <code>0</code> or any positive value less than or equal to <em>size</em>. <code>-1</code> if the operation failed, with an error message logged. </dd></dl>

 <p>Implemented in <a class="el" href="classcrashpad_1_1FileReader.html#a71bb3e12f135a0e84b1385ab89e46611">crashpad::FileReader</a>, <a class="el" href="classcrashpad_1_1WeakFileHandleFileReader.html#adabfaf3549ac5a3269475a567645e095">crashpad::WeakFileHandleFileReader</a>, and <a class="el" href="classcrashpad_1_1StringFile.html#a05de4b2d8ef91a974181d7340c61b346">crashpad::StringFile</a>.</p>

 </div>
 </div>
 <a id="ad046f1ebf1071eb6b92a2a8d06c14a56"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ad046f1ebf1071eb6b92a2a8d06c14a56">&#9670;&nbsp;</a></span>ReadExactly()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">bool crashpad::FileReaderInterface::ReadExactly </td>
           <td>(</td>
           <td class="paramtype">void *&#160;</td>
           <td class="paramname"><em>data</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">size_t&#160;</td>
           <td class="paramname"><em>size</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Wraps <a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1" title="Wraps ReadFile(), or provides an implementation with identical semantics.">Read()</a>, ensuring that the read succeeded and exactly <em>size</em> bytes were read. </p>
 <p>Semantically, this behaves as <a class="el" href="namespacecrashpad.html#ac3fb8955565f605e08c1e30562fbdb7a" title="Wraps ReadFile(), retrying following a short read, ensuring that exactly size bytes are read.">LoggingReadFileExactly()</a>.</p>
 <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the operation succeeded, <code>false</code> if it failed, with an error message logged. Short reads are treated as failures. </dd></dl>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following files:<ul>
 <li>util/file/file_reader.h</li>
 <li>util/file/file_reader.cc</li>
 </ul>
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	<p>An interface to read to files and other file-like objects with semantics matching the underlying platform (POSIX or Windows).
	<a href="classcrashpad_1_1FileReaderInterface.html#details">More...</a></p>

	<p><code>#include "util/file/file_reader.h"</code></p>
	<div class="dynheader">
	Inheritance diagram for crashpad::FileReaderInterface:</div>
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	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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	<tr class="memitem:ad9035ff345274f33cef248712d53d9e1"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespacecrashpad.html#a25465a3a2d289a06addf93c346c6f917">FileOperationResult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1">Read</a> (void *data, size_t size)=0</td></tr>
	<tr class="memdesc:ad9035ff345274f33cef248712d53d9e1"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a8599600814a17d622766decd5f122a96" title="Reads from a file, retrying when interrupted before reading any data on POSIX.">ReadFile()</a>, or provides an implementation with identical semantics. <a href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1">More...</a><br /></td></tr>
	<tr class="separator:ad9035ff345274f33cef248712d53d9e1"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad046f1ebf1071eb6b92a2a8d06c14a56">ReadExactly</a> (void *data, size_t size)</td></tr>
	<tr class="memdesc:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1" title="Wraps ReadFile(), or provides an implementation with identical semantics.">Read()</a>, ensuring that the read succeeded and exactly <em>size</em> bytes were read. <a href="classcrashpad_1_1FileReaderInterface.html#ad046f1ebf1071eb6b92a2a8d06c14a56">More...</a><br /></td></tr>
	<tr class="separator:ad046f1ebf1071eb6b92a2a8d06c14a56"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="inherit_header pub_methods_classcrashpad_1_1FileSeekerInterface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classcrashpad_1_1FileSeekerInterface')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classcrashpad_1_1FileSeekerInterface.html">crashpad::FileSeekerInterface</a></td></tr>
	<tr class="memitem:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">Seek</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset, int whence)=0</td></tr>
	<tr class="memdesc:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="namespacecrashpad.html#a3d6cedc10e24145d4a0c1000c33f8a10" title="Wraps lseek() or SetFilePointerEx(). Logs an error if the operation fails.">LoggingSeekFile()</a> or provides an alternate implementation with identical semantics. <a href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1">More...</a><br /></td></tr>
	<tr class="separator:a8d56f7d12dfcce3e4a39ad1524302aa1 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">SeekGet</a> ()</td></tr>
	<tr class="memdesc:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics.">Seek()</a>, using <code>SEEK_CUR</code> to obtain the file’s current position. <a href="classcrashpad_1_1FileSeekerInterface.html#a49a884bfb0a61461b0291c975aa15382">More...</a><br /></td></tr>
	<tr class="separator:a49a884bfb0a61461b0291c975aa15382 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">SeekSet</a> (<a class="el" href="namespacecrashpad.html#a1e53a1957d9edcba8b406ea632b6daf2">FileOffset</a> offset)</td></tr>
	<tr class="memdesc:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="mdescLeft"> </td><td class="mdescRight">Wraps <a class="el" href="classcrashpad_1_1FileSeekerInterface.html#a8d56f7d12dfcce3e4a39ad1524302aa1" title="Wraps LoggingSeekFile() or provides an alternate implementation with identical semantics.">Seek()</a>, using <code>SEEK_SET</code>, ensuring that the seek succeeded and the file is positioned as desired. <a href="classcrashpad_1_1FileSeekerInterface.html#add2e1ee642d94c91ef722911e9aee250">More...</a><br /></td></tr>
	<tr class="separator:add2e1ee642d94c91ef722911e9aee250 inherit pub_methods_classcrashpad_1_1FileSeekerInterface"><td class="memSeparator" colspan="2"> </td></tr>
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	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>An interface to read to files and other file-like objects with semantics matching the underlying platform (POSIX or Windows). </p>
	</div><h2 class="groupheader">Member Function Documentation</h2>
	<a id="ad9035ff345274f33cef248712d53d9e1"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ad9035ff345274f33cef248712d53d9e1">◆ </a></span>Read()</h2>

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	<td class="memname">virtual <a class="el" href="namespacecrashpad.html#a25465a3a2d289a06addf93c346c6f917">FileOperationResult</a> crashpad::FileReaderInterface::Read </td>
	<td>(</td>
	<td class="paramtype">void * </td>
	<td class="paramname"><em>data</em>, </td>
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	<td class="paramtype">size_t </td>
	<td class="paramname"><em>size</em> </td>
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	<td>)</td>
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	<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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	<p>Wraps <a class="el" href="namespacecrashpad.html#a8599600814a17d622766decd5f122a96" title="Reads from a file, retrying when interrupted before reading any data on POSIX.">ReadFile()</a>, or provides an implementation with identical semantics. </p>
	<dl class="section return"><dt>Returns</dt><dd>The number of bytes actually read if the operation succeeded, which may be <code>0</code> or any positive value less than or equal to <em>size</em>. <code>-1</code> if the operation failed, with an error message logged. </dd></dl>

	<p>Implemented in <a class="el" href="classcrashpad_1_1FileReader.html#a71bb3e12f135a0e84b1385ab89e46611">crashpad::FileReader</a>, <a class="el" href="classcrashpad_1_1WeakFileHandleFileReader.html#adabfaf3549ac5a3269475a567645e095">crashpad::WeakFileHandleFileReader</a>, and <a class="el" href="classcrashpad_1_1StringFile.html#a05de4b2d8ef91a974181d7340c61b346">crashpad::StringFile</a>.</p>

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	<h2 class="memtitle"><span class="permalink"><a href="#ad046f1ebf1071eb6b92a2a8d06c14a56">◆ </a></span>ReadExactly()</h2>

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	<td class="memname">bool crashpad::FileReaderInterface::ReadExactly </td>
	<td>(</td>
	<td class="paramtype">void * </td>
	<td class="paramname"><em>data</em>, </td>
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	<td class="paramtype">size_t </td>
	<td class="paramname"><em>size</em> </td>
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	<p>Wraps <a class="el" href="classcrashpad_1_1FileReaderInterface.html#ad9035ff345274f33cef248712d53d9e1" title="Wraps ReadFile(), or provides an implementation with identical semantics.">Read()</a>, ensuring that the read succeeded and exactly <em>size</em> bytes were read. </p>
	<p>Semantically, this behaves as <a class="el" href="namespacecrashpad.html#ac3fb8955565f605e08c1e30562fbdb7a" title="Wraps ReadFile(), retrying following a short read, ensuring that exactly size bytes are read.">LoggingReadFileExactly()</a>.</p>
	<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the operation succeeded, <code>false</code> if it failed, with an error message logged. Short reads are treated as failures. </dd></dl>

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	<hr/>The documentation for this class was generated from the following files:<ul>
	<li>util/file/file_reader.h</li>
	<li>util/file/file_reader.cc</li>
	</ul>
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